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| author |   Jacopo Mondi <jacopo+renesas@jmondi.org> | 2018-07-09 10:19:17 -0400 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-07-24 14:55:38 -0400 |
| commit | 3ab7801dfab998a2d1fba38b578bcaede4c9fcf3 (patch) | |
| tree | 84ddb09eb057fb77116b59c6d524c8636c5218ff /Documentation | |
| parent | media: dt-bindings: media: rcar-vin: Align Gen2 and Gen3 (diff) | |
| download | linux-dev-3ab7801dfab998a2d1fba38b578bcaede4c9fcf3.tar.xz linux-dev-3ab7801dfab998a2d1fba38b578bcaede4c9fcf3.zip | |
media: dt-bindings: media: rcar-vin: Describe optional ep properties
Describe the optional endpoint properties for endpoint nodes of the R-Car
VIN interface device tree bindings documentation.
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Acked-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/media/rcar_vin.txt | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/media/rcar_vin.txt b/Documentation/devicetree/bindings/media/rcar_vin.txt index 39c4e6a0485d..b41086340018 100644 --- a/Documentation/devicetree/bindings/media/rcar_vin.txt +++ b/Documentation/devicetree/bindings/media/rcar_vin.txt @@ -45,6 +45,17 @@ The per-board settings Gen2 platforms: Only the first one will be considered as each vin interface has one input port. + - Optional properties for endpoint nodes: + - hsync-active: see [1] for description. Default is active high. + - vsync-active: see [1] for description. Default is active high. + If both HSYNC and VSYNC polarities are not specified, embedded + synchronization is selected. + - field-active-even: see [1] for description. Default is active high. + - bus-width: see [1] for description. The selected bus width depends on + the SoC type and selected input image format. + Valid values are: 8, 10, 12, 16, 24 and 32. + - data-shift: see [1] for description. Valid values are 0 and 8. + The per-board settings Gen3 platforms: Gen3 platforms can support both a single connected parallel input source @@ -57,6 +68,10 @@ from local SoC CSI-2 receivers (port@1) depending on SoC. from external SoC pins as described in video-interfaces.txt[1]. Describing more than one endpoint in port@0 is invalid. Only VIN instances that are connected to external pins should have port@0. + + Endpoint nodes of port@0 support the optional properties listed in + the Gen2 per-board settings description. + - port@1 - sub-nodes describing one or more endpoints connected to the VIN from local SoC CSI-2 receivers. The endpoint numbers must use the following schema. @@ -66,6 +81,8 @@ from local SoC CSI-2 receivers (port@1) depending on SoC. - endpoint@2 - sub-node describing the endpoint connected to CSI40 - endpoint@3 - sub-node describing the endpoint connected to CSI41 + Endpoint nodes of port@1 do not support any optional endpoint property. + Device node example for Gen2 platforms -------------------------------------- |